[1.6.x] Added more examples to the get_object_or_404 documentation.
[1.6.x] Added more examples to the get_object_or_404 documentation.

Backport of ebfa508fa32b27de6f3e2ca04c81b46408b0506e from master.

felixjimenez/django,django-nonrel/django,redhat-openstack/django,django-nonrel/django,felixjimenez/django,redhat-openstack/django,redhat-openstack/django,dex4er/django,felixjimenez/django,dex4er/django,felixjimenez/django,django-nonrel/django,dex4er/django,django-nonrel/django,redhat-openstack/django